| 摘要 |
<p>A multiaccess communication system for cellular telephony, portable telephones, mobile radio communications, broadcast radio and television, wireless communication networks and the like, including planned use of interference cancelling receiving methods and apparatus which permit multiple users to share the same or overlapping frequency assignments by estimating the undesired signals in a family of such signals so that they may be cancelled to receive any desired signal which is selected from the family. Various cross-coupled phase locked loop receivers, both analog and digital, employing inphase, inphase and quadrature, feed forward and difference amplitude tracking configurations are disclosed and may be employed, by way of example, in the practice of the invention.</p> |
